High silica faujasite aluminosilicate, ECR-4, and a process for

Details High silica faujasite aluminosilicate, ECR-4, and a process for High silica faujasite aluminosilicate, ECR-4, and a process for

1989-06-30

1990-10-23

Doll, John

Chemistry of inorganic compounds

Silicon or compound thereof

Oxygen containing

C01B 3328

Patent

active

049650599

ABSTRACT:
An aluminosilicate characterized by having a faujasite structure, a silica to alumina mole ratio of at least six and unbalanced tetra alkylammonium ions within the large cages of the aluminosilicate. This composition may be prepared by crystallization from an aged reaction mixture of an oxide of sodium, tetra alkyl or hydroxy alkyl ammonium, salt, water, a source of silica, a source of alumina and sodium aluminosilicate nucleating seeds in specified relative amounts.

REFERENCES:
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patent: 3642434 (1972-02-01), Dwyer
patent: 3671191 (1972-06-01), Maher et al.
patent: 3972983 (1976-08-01), Ciric
patent: 4714601 (1987-12-01), Vaughan

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